pstr := path.String()
	msg := fmt.Sprintf("validate %s:%v(%T) ", pstr, val, val)
	if util.IsValueNil(val) || util.IsEmptyString(val) {
		if checkRequired && requiredValues[pstr] {
			return util.NewErrs(fmt.Errorf("field %s is required but not set", util.ToYAMLPathString(pstr)))
		}
		msg += fmt.Sprintf("validate %s: OK (empty value)", pstr)
		scope.Debug(msg)
		return nil
	}

}

// ValuesValidate validates the values of the tree using the supplied Func
func ValuesValidate(validations map[string]ValidatorFunc, node any, path util.Path) (errs util.Errors) {
	pstr := path.String()
	scope.Debugf("ValuesValidate %s", pstr)
	vf := validations[pstr]
	if vf != nil {
		errs = util.AppendErrs(errs, vf(path, node))
	}

	nn, ok := node.(map[string]any)
	if !ok {
		// Leaf, nothing more to recurse.
		return errs
	}

// get validation function for specified path
func getValidationFuncForPath(validations map[string]ValidatorFunc, path util.Path) (ValidatorFunc, bool) {
	pstr := path.String()
	// fast match
	if !strings.Contains(pstr, "[") && !strings.Contains(pstr, "]") {
		vf, ok := validations[pstr]
		return vf, ok
	}
	for p, vf := range validations {
		ps := strings.Split(p, ".")
		if len(ps) != len(path) {
			continue
		}

	for n >= pathBase {
		n /= pathBase
		nStr = fmt.Sprintf("x%03d/%s", n%pathBase, nStr)
	}
	pStr := ""
	if t.W != 1<<uint(t.H) {
		pStr = fmt.Sprintf(".p/%d", t.W)
	}
	var L string
	if t.L == -1 {
		L = "data"
	} else {
		L = fmt.Sprintf("%d", t.L)
	}
	return fmt.Sprintf("tile/%d/%s/%s%s", t.H, L, nStr, pStr)
}

// ParseTilePath parses a tile coordinate path.

    TearDownTestCaseFunc tear_down_tc,
    TestFactoryBase* factory);

// If *pstr starts with the given prefix, modifies *pstr to be right
// past the prefix and returns true; otherwise leaves *pstr unchanged
// and returns false.  None of pstr, *pstr, and prefix can be NULL.
GTEST_API_ bool SkipPrefix(const char* prefix, const char** pstr);

#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P

    TearDownTestCaseFunc tear_down_tc,
    TestFactoryBase* factory);

// If *pstr starts with the given prefix, modifies *pstr to be right
// past the prefix and returns true; otherwise leaves *pstr unchanged
// and returns false.  None of pstr, *pstr, and prefix can be NULL.
GTEST_API_ bool SkipPrefix(const char* prefix, const char** pstr);

#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P

			Bool:  true,
			Str:   "str",
			Bytes: []byte("byt"),
			PStr:  &empty,
			Ptr:   &PresenceTest{},
		},
		ExpectXML: `<OmitFieldTest>` +
			`<Int>8</Int>` +
			`<int>9</int>` +
			`<Float>23.5</Float>` +
			`<Uint8>255</Uint8>` +
			`<Bool>true</Bool>` +
			`<Str>str</Str>` +
			`<Bytes>byt</Bytes>` +
			`<PStr></PStr>` +
			`<Ptr></Ptr>` +
			`</OmitFieldTest>`,
	},
	{